--TEST--
ZE2 singleton
--SKIPIF--
<?php if (version_compare(zend_version(), '2.0.0-dev', '<')) die('skip ZendEngine 2 needed'); ?>
--FILE--
<?php

class Counter {
        private $counter = 0;

        function increment_and_print() {
                echo ++$this->counter;
                echo "\n";
    }
}


class SingletonCounter {
        private static $m_instance = NULL;

        static function Instance() {
                if (self::$m_instance == NULL) {
                        self::$m_instance = new Counter();
                }
                return self::$m_instance;
        }
}

SingletonCounter::Instance()->increment_and_print();
SingletonCounter::Instance()->increment_and_print();
SingletonCounter::Instance()->increment_and_print();

?>
--EXPECT--
1
2
3